San Juan, Puerto Rico: As you enter the harbor to San Juan, you are greeted with a spectacular view of El Morro, a colonial fortress. Other than Cuba, probably one of the most populated islands in the Caribbean, and likely the most urban, there is surprisingly little to do here, and not a whole lot of excursions are available. A visit to El Morro or San Cristobal Castles or the Barcardi Rum factory are the highlights here. We were here twice, in 2001 and again in Dec 2009. A lot of casinos have sprung up lately, so that I suppose is one attraction. One note of caution - there are som high-crime areas near El Morro (especially the La Perla neighborhood on the north side of the city wall), so its not a good idea for you to wander off by yourself until you have an idea of the area.
This is a USA port, and if you want to take a Southern-Caribbean cruise, this will be where the ship leaves.